walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[repacker] in PairPosFormat2 splitting use the max estimated coverage/classdef size for sizing serialization buffers.

This commit is contained in:
Garret Rieger 2022-08-05 23:15:10 +00:00
parent dde0a2b071
commit 13253233f7
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/graph/pairpos-graph.hh
View File

@ -231,6 +231,8 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
unsigned accumulated = base_size;
unsigned coverage_size = 4;
unsigned class_def_1_size = 4;
unsigned max_coverage_size = coverage_size;
unsigned max_class_def_1_size = class_def_1_size;
hb_vector_t<unsigned> split_points;
@ -245,6 +247,8 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
unsigned accumulated_delta = class1_record_size;
coverage_size += estimator.incremental_coverage_size (i);
class_def_1_size += estimator.incremental_class_def_size (i);
max_coverage_size = hb_max (max_coverage_size, coverage_size);
max_class_def_1_size = hb_max (max_class_def_1_size, class_def_1_size);
if (has_device_tables) {
for (unsigned j = 0; j < class2_count; j++)
@ -288,6 +292,8 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
total_value_len,
value_1_len,
value_2_len,
max_coverage_size,
max_class_def_1_size,
device_tables,
format1_device_table_indices,
format2_device_table_indices
@ -306,6 +312,8 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
unsigned value_record_len;
unsigned value1_record_len;
unsigned value2_record_len;
unsigned max_coverage_size;
unsigned max_class_def_size;
const hb_hashmap_t<void*, unsigned>& device_tables;
const hb_vector_t<unsigned>& format1_device_table_indices;
@ -391,7 +399,7 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
pair_pos_prime_id,
2,
+ klass_map | hb_map_retains_sorting (hb_first),
coverage_v.table_size ()))
split_context.max_coverage_size))
return -1;
// classDef1
@ -399,7 +407,7 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
pair_pos_prime_id,
8,
+ klass_map,
class_def_1_v.table_size ()))
split_context.max_class_def_size))
return -1;
// classDef2